<?php

namespace App\Imports;

use Illuminate\Support\Collection;
use Maatwebsite\Excel\Concerns\ToCollection;

use Illuminate\Support\Facades\DB;
use Maatwebsite\Excel\Concerns\Importable;


class ChuangTouImport implements ToCollection
{
    // 增加trait调用
    use Importable;
    /**
     * @param Collection $collection
     */
    public function collection(Collection $collection)
    {

    }




}
